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Author Topic: 1969 Z28 engine build dates and cars build date spread time??  (Read 10980 times)
samanatoo
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« on: August 26, 2008, 07:05:41 PM »

My engines build date is May 29th, the blocks casting date is May 25th, the heads are cast May 26th. The stamp on the front machine pad looks legit V0529 DZ and all things fit the puzzle for the motor,  but my cars build date on the cowl tag is 08C, August 3rd week correct. The question is could it be possible that 60 to 80 day spread between engine build and cars build???  I have spoken to all previous owners and all state that the motor is the original one and forget about trying to read the numbers on that rough pad by the oil filter while the engine is still in the car! I have read enough questions and threads on that topic in this CRG forums.   So can it be?? Is 60 days too long?? How long did it take to get a finished motor from Flint to get to Norwood.  I am very sure my car is a real Z28 hugger orange on hugger orange houndstooth, but is the engine the original DZ motor?? Thanks for the help.       PS I have learned so much from this Forum it is sick and I appreciate all the information.
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RJ_RS_SS_350
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« Reply #1 on: August 26, 2008, 07:52:22 PM »

Let me just see if I got this straight. Your engine was built May 29 1969.  Your car body began August week 3, 1969. Your rear axle was built Nov. 29th, 1968?  Huh
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samanatoo
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« Reply #2 on: August 26, 2008, 08:56:21 PM »

Yes, that is correct. Th block is a 3970010 casting number,  cast date is May 25th. The heads are casting number 3921786, correct for the DZ 1969 motor and are casting date May26th, so the heads sound right for the engine build.  also while the engine was rebuilt and balanced the internals are all correct parts and specs as well.  I have all specs on the report for the engine work.  I figured the trans and rear axle are not original, but the motor?Huh?  seams like it is.  car has original smog equipment, seven blade fan with clutch, deep gruve pulleys, intake is winters 3932472. The car recieved a very high end and very correct restoration a few years ago.  The  car is an X33 car with endura front bumper and cowl hood,  bllack top, black stripes,  rosewood wheel. The original owner verified that he ordered the car this way as well.   I am just trying to get to know everything about the car and there seems to be alot a views and variations of chevy builds.  If the motor was built after the cars build or 5 to 6 months prior to the car build it would then be a  be a no brainer!!!!!!!!!!!
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L78 steve
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« Reply #3 on: August 27, 2008, 10:30:39 AM »

Did you ask the previous owners if they have the P.O.P. ?
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69 Z/28 Dover White X33,ZL2,PS,M20,Std.int.04C
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« Reply #4 on: August 27, 2008, 01:56:23 PM »

How about part no.'s and date codes on the other related parts, ie distributor, carb, water pump, alternator, starter, power steering, etc. How do these correlate? I think I'd really be trying to read the VIN near the oil filter.

Jimmy V.
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Jimmy V.
samanatoo
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« Reply #5 on: August 27, 2008, 07:47:30 PM »

The block has one fresh cote of paint on it since the engine build witch was performed 3 years ago. I removed most of the paint and can still  see no numbers, the previous owner tried to find some as well before and after the machine shop worked on the motor, but could not find any and with the motor in the car pretty tough as other members have stated near impossible. I will check other codes as well. The power steering is the quick ratio unit, the intake is correct, the carb is correct as well, but everything in the car is a very high end restored conours level.  The car has all original sheetmetal and pans etc. Caliofornia car most of it's life so all metal is original. Deep gove pulleys and 7 blade fan, radiator is not original but is the 21 inch core 3 rows,  Wher can I find dates on the alternator and water pump?? does smog equipment have dates??                      I was just told by other people who know these cars that as long as the engine casting dates are within a few months time before the cars build sounds right and should be the original motor,  but some people say the norm is 1 to 6 weeks.   So it seems nothing is set in stone and I am not going to pull my engine out and tear it apart. I have plenty of previuos owner docs and pics and history of the car to know what it is and the car has all original metal even original endura front bumper.      I guess case closed and appreciate all the help.                                 

Just for the record the car is a X33 D80 car, Hugger Orange with orange hounds tooth interior, black vinyl top, endura front bumper, power steering, console tach, cowl hood, blue light radio, rosewood wheel, chambered exhaust, black stripes of course.
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Jerry@CHP
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« Reply #6 on: August 28, 2008, 09:09:21 PM »

How about some photos of the engine stampings,
Jerry
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samanatoo
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« Reply #7 on: August 28, 2008, 10:13:53 PM »

I will try to get a chance to pull off the alternator and get a good picture of the pad tomarrow Jerry.  I removed all the paint on the pad near the oil filter and looked at it for awhile with a LED light and  also using a mirror at different angles and shades but I can not see any thing sometimes I get a glimpes of an N or poss. a 1 but I really think it is my eyes playing tricks. I do not see anything I will try to get a good pic of the machined pad and the numbers for you to check out.  With the original owner today, Craig Shoemaker, on the phone he reconfermed a few options on the car. It did not have chamber exhaust, but did have the cowl induction, power steering,  console, endura front bumper, he was not sure what a blue light radio was?? I was told from the 3rd owner it had a blue light radio when new. Craig could not remember if it had the rosewood wheel, 40 years ago was awile ago. He is trying to scan some poloroids of the car exterior and interior shots he has of the car when he owned it,  pretty cool!!!!  Thanks for all the help.
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samanatoo
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« Reply #8 on: August 29, 2008, 03:06:35 PM »

Hey Jerry I am having trouble loading the pics in the attachments with thge thread,  any suggestions or do you have a direct email I can send photos to?? thanks i have pics of the cowl tag and the numbers on the front pad Thanks!!
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samanatoo
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« Reply #9 on: August 29, 2008, 04:15:56 PM »

Here are the numbers off the back of the alternator

110077 554
  9 E 16    12VNEG 

How do you decode the date and model number   Does 9  E  16  means May 16 1969??
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Ed Bertrand
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« Reply #10 on: August 29, 2008, 05:19:22 PM »

You're missing a number in the code, but either way, it's not a Camaro alternator. 1100770 is a Pontiac application, 1100774 is a Buick application, and 1100777 is an Oldsmobile application.

Yes, 9E16 is a date of May 16th, 1969.

Ed
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Ed Bertrand
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Jerry@CHP
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« Reply #11 on: August 29, 2008, 09:22:56 PM »

Send to z28camaroman@juno.com and I'll take a look.

thanks,

Jery
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samanatoo
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« Reply #12 on: August 30, 2008, 07:57:55 AM »

well what is the part nmber for the camaros?  I will have to take the alternator off again to get a closer look, the pics I took I can not see the last number that you are talking about. Thanks  It looks like it could be a 7, but I would hav eto take it off again to make sure.
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Gramps69Z
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« Reply #13 on: August 30, 2008, 10:36:53 AM »

Part number 1100837 for the alternator and 1970831 for the pulley.
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Captain John Wykoff
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samanatoo
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« Reply #14 on: August 30, 2008, 05:17:32 PM »

Thanks for the alternator info.   

Can you asist on the distributor  decode as well?  here are the numbers   4 I 8  0841111   ??      I was told from that the intake and distributor were sent out to Jerry to get reworked.   
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Ed Bertrand
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« Reply #15 on: August 30, 2008, 05:43:15 PM »

You must have been using a mirror to look at the number because it's backwards, but yes, the 1111480 is a 1969 Camaro 302 distributor. However, the letter "I" wasn't used so check that again.

Ed
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Ed Bertrand
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samanatoo
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« Reply #16 on: August 30, 2008, 06:54:22 PM »

Yes , I was using a mirror and I just realized that. Thanks!  as for the I in  the date code,  the right way is    8 ? 4.  should the  Question mark be a letter or number?  It looks like a  l    maybe a l Or a one.   And what date would that make it?   and how would that jive with my May 29th 69  motor build? Thanks
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Ed Bertrand
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« Reply #17 on: August 31, 2008, 12:58:26 PM »

Quote
and how would that jive with my May 29th 69  motor build?

It really depends on the actual date of the distributor. If you can take a picture of the stamping and the date code, it would probably help.

Ed
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Ed Bertrand
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samanatoo
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« Reply #18 on: September 04, 2008, 08:29:57 PM »

The I looks more like a J hard to see it at first still in the car wit a mirror thanks for the help.
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samanatoo
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« Reply #19 on: September 04, 2008, 09:38:19 PM »

So I was reading some older posts and see that the typical spread is 1 to 6 weeks between engine build and thecars build, BUT there are exceptions and the time frame is not set in stone and that 60 to 90 days could be possible but not the norm. I have talked with all previuos owners of my Z28 and all agree that the engine is the original motor.   My cars build is 08C and the motor  build is May 29th. The block was cast on 26th both heads on 27th and motor build is 29th. Distirb date is Oct. 68 and on. original smog equip is in place. So 10 to 12 weeks or 60 to 90 days can not be Huh??       Any one else have a car with a longer spread out of the 250,000 camaros built in 1969.  If I did not know my cars history I would not be pushing this and this is a reaearch Forum.
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Jerry@CHP
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« Reply #20 on: September 04, 2008, 09:52:57 PM »

1111480 on the dist.

JM
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Jerry@CHP
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« Reply #21 on: September 04, 2008, 09:57:53 PM »

Jason,

When you get the report on this car, you will read that there was a long list issues.........a full page of items.  That is ail I will say for now.  The dist in this car was not the correct original 1111480.

Jerry 
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samanatoo
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« Reply #22 on: September 05, 2008, 06:19:52 PM »

I purchased this car after speaking with the list of owners especialy the original owner to verify the Z28. I was aware that some of the drivetrain was not original and as maybe some parts not original as with any 40 year old car some items can not be original, but better said as "correct" for the car.  The car is simply gorgeous and a high end restoration on a California , all original sheetmetal, car  and very correct.I have never seen such gogeous pans and undersides.  I will give you a call today on your cell and talk about the car and discuss the report. I love the car and do not need an original drivetrain but a correct one will do. Provenance and historical documentation is key to me. The cold valve adjustment worked perfect and the car screams. The stories behind a car that is 40 years old is just as much fun as the car itself and I have gathered many on the Z28.    No disrespect ever, and you are the Z28 Guru and I would like to talk further about my car.     I will give you a call tomarrow when you are back from your travels.   Thanks Jerry, Kindest reguards Capt. Jason.
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samanatoo
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« Reply #23 on: September 08, 2008, 12:57:24 PM »

Had my car at a big monthly car show on Sat. I looked over a survivor, early 69 02B build Z28 compared the DZ and build code stampings and they looked pretty exact.  I also was talikng with a person who owns 2 Z28's and he looked over my entire car as well as the stampings on the front pad and they all agrred that they looked original and that a few months time span was OK for the motor to may be original to the car. The Z28 car that was there had an original cross ram setup and fiberglass hood so the alternator braket was different so you could see the stampings easy, mine I just removed the alternator in a few minutes. 
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click
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« Reply #24 on: September 11, 2008, 11:11:49 AM »

Just so you understand, the crossram is not original from the factory but was dealer installed option. So 'original dealer installed option' crossram would be more correct. Smiley  Nice car you have.
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samanatoo
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« Reply #25 on: September 11, 2008, 03:49:58 PM »

Yes I understand, the man who owned the car had reciepts from the dealer for the setup and hood etc he said. I cannot believe what an original crossram setup is worth!!!  20 grand right?  I read that a few times over the past year. I will keep my car as is.   
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samanatoo
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« Reply #26 on: September 11, 2008, 03:59:18 PM »

Also to note I started this thread to find out the time span between engine build and cars build time.    My car is a 08C date on cowl tag,   since 08B never was on a camaro cowl tag my car could have been an early August build, leaving a 2 month gap between engine build and cars build.    The original owner purchased my car at the dealer around the 20th of August 1969.   So you have it,  March 29th engine build to early August cars build.  I have talked with all previous owners over the past few weeks and all say motor is the original, but  trans and rear end is not. The second owner changed out the rear end for better gas mileage and changed carb to a 600 in the late 70's. He used it as a driver at that time in California to boot.  The third owner bought thecar in mid 80's and switched the carb back to original 850 and left the rear axle ratio witch was 3.31.
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samanatoo
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« Reply #27 on: September 27, 2008, 10:38:10 PM »

Found the partial vin stamping by using a yellow crayon to rub the area by the oil filter where I could see a slight trace of a number or two, then brushed away excess crayon and it show the partial vin nicely. It matches up with my car.  Thanks for all the help CRG!!
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samanatoo
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« Reply #28 on: October 06, 2008, 10:19:49 PM »

SOME PICS
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« Reply #29 on: October 06, 2011, 01:20:53 PM »

does your 08C car have a vin sticker on the drivers door?
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1969 garnet red Z/28 46k mile unrestored X77
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